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        <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet">
        <title>用户信息管理系统</title>

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                height: 400px;
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                font-family: Arial;
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            a:hover
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            .first
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                    margin-left: 200px;
                    margin-top: 14px;
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                font-size: 25px;
                font-family: Arial;
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        <div style="position: relative"> 
            <img src="2.jpg" height="100px" width="1200px">
           <div style="position: absolute;z-index: 2;left:550px;top: 30px;font-family: Arial;font-size: xx-large;color: white;">超市订单管理系统</div>
        </div>
        <div>

            <span>
                <br><br><a href="manage.html">订单管理</a><br><br><br><br>
                <a href="input.html">订单信息录入</a><br><br><br><br>
                <a href="modify.html">订单信息修改</a><br><br><br><br>
                <a href="history.html">全部订单</a><br>
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        <div class="first">
            <p>系统管理员</p>
            <p>欢迎来到超市订单管理系统！</p>
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